PHOTOS: Inside Obama's 2012 Headquarters

During the call, Axelrod took a dig at Romney's Super PAC for its "most brutal" yet "very effective" ad campaign that pummeled opponents Newt Gingrich and Rick Perry. But when asked if the Obama team will take the same tact with negative advertising, Axelrod didn't flinch.

"Are we going to call him on it, when his Super PAC attacks? Yes we will."

As Axelrod sees it, "we are going to draw legitimate contrasts."

On post-Caucus Day, Campaign Manager Jim Messina made a point to note Obama's presence in Iowa. The Obama campaign has opened eight field offices and has 7,500 pledged volunteers, Messina said.